201330124311 has 4 divisors (see below), whose sum is σ = 268440165752. Its totient is φ = 134220082872.

The previous prime is 201330124277. The next prime is 201330124339. The reversal of 201330124311 is 113421033102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201330124311 - 2²⁵ = 201296569879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201330124511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33555020716 + ... + 33555020721.

It is an arithmetic number, because the mean of its divisors is an integer number (67110041438).

Almost surely, 2^201330124311 is an apocalyptic number.

201330124311 is a deficient number, since it is larger than the sum of its proper divisors (67110041441).

201330124311 is an equidigital number, since it uses as much as digits as its factorization.

201330124311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67110041440.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201330124311 its reverse (113421033102), we get a palindrome (314751157413).

The spelling of 201330124311 in words is "two hundred one billion, three hundred thirty million, one hundred twenty-four thousand, three hundred eleven".